Comparison between:
- Samsung Galaxy S20 Exynos
- Apple iPhone SE (2020)
- Xiaomi Mi A2

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

Samsung Galaxy S20 ExynosApple iPhone SE (2020)Xiaomi Mi A2
Samsung Galaxy S20 Exynos
Prices
Apple iPhone SE (2020)
Prices
Xiaomi Mi A2
Prices
Model aliasSM-G980
SM-G980F
SM-G980F/DS
--

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width69.1 mm
6.91 cm
0.227 ft
2.72 in
67.3 mm
6.73 cm
0.221 ft
2.65 in
75.4 mm
7.54 cm
0.247 ft
2.969 in
Height151.7 mm
15.17 cm
0.498 ft
5.972 in
138.4 mm
13.84 cm
0.454 ft
5.449 in
158.7 mm
15.87 cm
0.521 ft
6.248 in
Thickness7.9 mm
0.79 cm
0.026 ft
0.311 in
7.3 mm
0.73 cm
0.024 ft
0.287 in
7.3 mm
0.73 cm
0.024 ft
0.287 in
Weight163 g
0.36 lbs
5.75 oz
148 g
0.33 lbs
5.22 oz
168 g
0.37 lbs
5.93 oz
Volume82.81 cm³
5.03 in³
67.99 cm³
4.13 in³
87.35 cm³
5.3 in³
ColorsCosmic Grey
Cloud Blue
Cloud Pink
White
Black
Gray
Black
Blue
Gold
Body materialsGlass
Aluminium alloy
Aluminium alloy
Glass
Aluminium alloy
CertificationIP68IP67-

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIMNano-SIMNano-SIM
Number of SIM cards112
FeaturesDual SIM optional (A variant of the model with two SIM card slots is available)-Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)
eSIM--

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSMGSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMA-CDMA 800 MHz (BC0)
CDMA 1700/2100 MHz (BC15)
CDMA 1900 MHz (BC1)
-
CDMA2000-1xEV-DO Rev. A-
TD-SCDMA-TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
-
UMTSUMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1700 MHz (B4)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
-UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B13)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B28)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B13)
LTE-FDD 700 MHz (B14)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B29)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 850 MHz (B18)
LTE-FDD 850 MHz (B19)
LTE-FDD 850 MHz (B26)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1700 MHz (B66)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-TDD 3500 MHz (B42)
LTE-TDD 3600 MHz (B48)
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
LTE-TDD 2600 MHz (B38)

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologiesUMTS
EDGE
GPRS
HSPA+
LTE Cat 20
UMTS
EDGE
GPRS
HSPA+
LTE Cat 16
LTE-A
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
Enhanced 4x4 MIMO
Up to 7CA
LAA (US only)
2x2 MIMO
LAA4
-

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)Android 10iOS 13Android 8.1 Oreo
Android 9.0 Pie
User interface (UI)One UI 2.0--

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCSamsung Exynos 990Apple A13 Bionic APL1W85Qualcomm Snapdragon 660 MSM8976 Plus
Process technology7 nm7 nm14 nm
CPU2x 2.7 GHz Exynos M5 Mongoose, 2x 2.5 GHz ARM Cortex-A76, 4x 2.0 GHz ARM Cortex-A55-4x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 260
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8
CPU cores868
CPU frequency2700 MHz2650 MHz2200 MHz
GPUARM Mali-G77 MP11-Qualcomm Adreno 512
GPU cores114-
GPU frequency--650 MHz
RAM capacity8 GB3 GB4 GB
6 GB
RAM typeLPDDR5LPDDR4LPDDR4X
RAM channelsDouble channel-Double channel
RAM frequency2750 MHz-1866 MHz

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage128 GB64 GB
128 GB
256 GB
32 GB
64 GB
128 GB
UFS 3.0-eMMC 5.1

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

TypesmicroSD
microSDHC
microSDXC
--

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyDynamic AMOLED 2XIPSIPS
Diagonal size6.2 in
157.48 mm
15.75 cm
4.7 in
119.38 mm
11.94 cm
5.99 in
152.15 mm
15.21 cm
Width2.54 in
64.62 mm
6.46 cm
2.3 in
58.51 mm
5.85 cm
2.68 in
68.04 mm
6.8 cm
Height5.65 in
143.61 mm
14.36 cm
4.1 in
104.06 mm
10.41 cm
5.36 in
136.08 mm
13.61 cm
Aspect ratio2.222:11.779:12:1
2:1 (18:9)
Resolution1440 x 3200 pixels750 x 1334 pixels1080 x 2160 pixels
Pixel density566 ppi
222 ppcm
326 ppi
128 ppcm
403 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area88.82 %65.57 %77.63 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 6
Infinity-O Display
Always-On Display
120Hz refresh rate
HDR10+
Ion-strengthtened glass
Retina HD display
Haptic Touch
1400:1 contrast ratio
625 cd/m²
Oleophobic (lipophobic) coating
LED-backlit
Wide Color display (P3)
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
500 cd/m²
85% NTSC

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Geomagnetic
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
In-display ultrasonic fingerprint sensor-Fingerprint sensor model - Fingerprint Cards FPC1028

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor modelSony IMX555Sony Exmor RSSony IMX486 Exmor RS
Sensor typeCMOSCMOSCMOS
Sensor size6.45 x 8.46 mm
0.42 in
--
Sensor format1/1.76"1/3"1/2.9"
Pixel size1.8 µm
0.001800 mm
1.22 µm
0.001220 mm
1.25 µm
0.001250 mm
Crop factor4.07--
Aperturef/1.8f/1.8f/1.75
Focal length and 35 mm equivalent4.32 mm
17.57 mm *(35 mm / full frame)
3.99 mm
28 mm *(35 mm / full frame)
4.07 mm
Field of view79 °--
Number of lenses-6-
Flash typeDual LED-Dual LED
Image resolution4032 x 3024 pixels
12.19 MP
4032 x 3024 pixels
12.19 MP
4000 x 3000 pixels
12 MP
Video resolution7680 x 4320 pixels
33.18 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
Video FPS24 fps60 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Optical zoom
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
RAW
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Phase detection with Dual Pixel
Object tracking AF
Dual OIS
2160p @ 60 fps
1080p @ 240 fps
720p @ 960 fps
HDR10+ video recording
Secondary rear camera - 12 MP (ultra-wide angle)
Aperture size - f/2.2 (#2)
Angle of view - 120° (#2)
Focal length (35 mm equivalent) - 22 mm (#2)
Third rear camera - 64 MP (telephoto)
Aperture size - f/2.0 (#3)
Angle of view - 76° (#3)
PDAF (#3)
3x optical zoom (#3)
Flash type - Quad LED
Hybrid IR filter
Noise reduction
Sapphire crystal glass lens cover
1080p @ 240 fps
720p @ 120 fps
Secondary rear camera - 20 MP
Sensor model - Sony IMX376 Exmor RS (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 1/2.78" (#2)
Pixel size - 2.0 μm (4-in-1 pixel binning) (#2)
Aperture size - f/1.75 (#2)

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor modelSony IMX374-Sony IMX376 Exmor RS
Sensor typeCMOSCMOS BSICMOS BSI
Sensor format--1/2.78"
Pixel size-1 µm
0.001000 mm
1 µm
0.001000 mm
Aperturef/2.2f/2.2f/2.2
Focal length and 35 mm equivalent26 mm *(35 mm / full frame)2.87 mm
32 mm *(35 mm / full frame)
3.82 mm
Field of view80 °--
Auxiliary light--LED
Image resolution10 MP3088 x 2320 pixels
7.16 MP
5184 x 3880 pixels
20.11 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS60 fps30 fps30 fps
FeaturesPhase detection autofocus (PDAF)
HDR
Autofocus
HDR
Digital image stabilization
-
Phase detection with Dual Pixel
Auto HDR
720p @ 240 fpsPixel size - 2.0 μm (4-in-1 pixel binning)
HDR

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
384 kHz / 32-bit
AKG audio
Dolby Atmos
Dolby Digital Plus
HAC (M3/T4) - Hearing Aid Comaptibility
Headphone adapter

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioYesNoNo

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
Galileo
GPS
A-GPS
GLONASS
Wi-Fi
Cell ID
GPS
A-GPS
GLONASS
BeiDou

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11ax
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
802.11ax
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
HE80
MiMO
1024-QAM
2x2 MIMO2x2 MiMO

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version5.05.05.0
FeaturesA2DP
AVRCP
DIP
HFP
HID
HSP
LE
MAP
OPP
PAN
PBAP
A2DP
LE
A2DP
HID

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeUSB Type-C-USB Type-C
Version3.22.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
Proprietary
Charging
Host
Mass storage
On-The-Go

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackNoNoNo

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
ANT+
Computer sync
OTA sync
Tethering
NFC
VoLTE
Computer sync
OTA sync
Infrared
Tethering
VoLTE

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

BrowserHTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecsAAC
AMR
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
3GA
OGA
AWB
MID
XMF
MXMF
IMY
RTTTL
RTX
OTA
APE
DSF
DFF
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AIFF
AAC
AAC+
AC3
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecsAVI
MKV
MP4
WMV
M4V
3GP
3G2
ASF
FLV
WEBM
3GPP
AVI
H.263
H.264
QuickTime
MPEG-4
3GPP
AVI
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
Xvid

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity4000 mAh1821 mAh3010 mAh
TypeLi-PolymerLi-IonLi-Polymer
2G talk time-12 h
720 min
0.5 days
-
3G talk time-12 h
720 min
0.5 days
-
Charger output power5 V / 5 A5 V / 1 A5 V / 2 A
Quick charge technology-USB Power Delivery 2.0Qualcomm Quick Charge 3.0
FeaturesWireless charging
Fast charging
Non-removable
Wireless charging
Fast charging
Non-removable
Fast charging
Non-removable
Qi/PMA wireless charging - 15 W
Wireless reverse charging - 9 W
Fast Wireless Charging 2.0
USB Power Delivery 3.0
Qi wireless charging-

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)0.279 W/kg-0.963 W/kg
Body SAR (EU)1.525 W/kg-0.639 W/kg
Head SAR (USA)0.76 W/kg-1.16 W/kg
Body SAR (USA)1.01 W/kg-0.66 W/kg

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional featuresSamsung DeX-M1804D2SI - SAR (Specific Absorption Rate) India: head - 1.092 W/kg; body - 0.259 W/kg
 Samsung Galaxy S20 ExynosApple iPhone SE (2020)Xiaomi Mi A2